locked

When true, the mask is locked and cannot be edited in the user interface; otherwise, false.Boolean; read/write.

keyInSpatialTangent()

Returns the incoming spatial tangent for the specified keyframe, if the named property is spatial that is, the value type is TwoD _SPATIAL or ThreeD_SPATIAL

elided

When true, this property is a group used to organize other properties. The property is not displayed in the user interface and its child properties are not

expressionError

Contains the error, if any, generated by evaluation of the string most recently set in expression.If no expression string has been specified, or if the last

keyTime()

Finds the specified keyframe or marker and returns the time at which it occurs. If no keyframe or marker can be found that matches the argument, this method

selected

When true, this property is selected. Set to true to select the property, or to false to deselect it.Sampling this attribute repeatedly for a large number o

propertyValueType

The type of value stored in thenamed property. The PropertyValueType enumeration has one value for each type of data that can be stored in or retrieved from

setTemporalContinuousAtKey()

Turns temporal continuity on or off for the specified keyframe.When temporal continuity is turned on, it affects this keyframe only if the keyframe interpol